Esikhathini sekhulu le-XIX, i-microelement ye-selenium yatholakala ngososayensi waseSweden futhi yayibhekwa njengobuthi obuyingozi kakhulu. Phakathi neminyaka, ngokwesayensi, njengoba njalo, imibono ihluke kakhulu, futhi ekugcineni, ngo-1980, i-WHO yabona ukuthi i-selenium iyisici esiyinhloko sokudla okunempilo. Namuhla asikwazi nje kuphela izinzuzo ze-selenium, kodwa futhi nemiphumela ebuhlungu ngenxa yokuntuleka kokudla okune-selenium etafuleni lethu. Konke lokhu sekuningiliziwe manje.
Izinzuzo
Okokuqala, ukusetshenziswa kwemikhiqizo ne-selenium kwandisa ingculazi yethu. Ngokwezibalo, lokhu kungaphansi kuka-77% ngaphansi kwesistimu ye-endocrine futhi ku-47% ngaphansi kwazo zonke ezinye izifo. I-Selenium yiprotheni enezici zokulwa ne-antioxidant. I-Selenium yandisa ukumelana kwethu nama-bacteria, ama-virus, okuvimbela ukuqoqwa kwama-radicals mahhala emzimbeni.
Le micronutrient izovikela emisebeni ye-UV nemikhiqizo yamakhemikhali. I-Selenium ihileleke ekuqaliseni wonke ama-hormone, kanye nasezinkampanini eziningi zezinto eziphilayo zomzimba.
Imikhiqizo equkethe i-selenium ibaluleke kakhulu emaphethelweni omuntu wesisu, njengoba selenium ijwayelekile ukugxilisa amathumbu ama Ph, iqhaza ekuqaliseni i-microflora enempilo futhi ithuthukise ukondla kwezindonga zekhanda elimangalisa. Ngaphezu kwalokho, i-selenium ivimbela ukusabalalisa kwefungi le-pathogenic, okuvame ukuba izithelo zokubola nokuvutha ngaphakathi kwesisu. Lezi fungi zithinta, isibonelo, isibindi.
Abesifazane abakhulelwe i-selenium ibaluleke nakakhulu kunanoma ubani omunye. Okokuqala, kuvimbela ukuqala kokubeletha ngaphambi kokubeletha, kuvikela ingane yakho ekuzalweni ngeziphambeko, kanye nasekufeni kwasekusaneni. Inani le-selenium ekudleni komama ongumhlengikazi ngokuqondile kuncike ekutheni ubisi lwebele.
Emikhiqizweni
Futhi manje okuphazamisayo: lokhu okubalulekile, kuwo wonke amagama, amagama, selenium, sidinga kuphela ama-micrograms angu-10 kuya kwangu-200 ngosuku. Uma uneminyaka yobudala, ukudla kwe-selenium kufanele kwandise kuye ngesisindo, isibonelo, izinsana nezinsana zidinga u-10 μg we-selenium kuze kufike ezinyangeni ezingu-10, kanti uma uneminyaka eyisithupha ungama-20 μg. Kwabesilisa abadala, umthamo omuhle we-trace element ku-selenium ekudleni ngu-70 μg, kwabesifazane abangama-55 μg. Futhi ngesikhathi sokukhulelwa kanye ne-lactation, umthamo wanda kufika ku-200 mcg ngosuku.
I-Selenium iningi kakhulu nge-imikhiqizo - isibindi, izinso, amaphaphu, izinhliziyo. Futhi i-selenium itholakala olwandle olwandle kanye nezinhlanzi zasolwandle - i-cod, i-herring, i-flounder, i-sardine, i-salmon, i-mackerel, i-tuna, ama-shrimps , ama- mussels, ama-oyster, ama-lobster futhi ngokujwayelekile noma yiziphi izilwane zasolwandle.
Kufanele futhi ubheke i-selenium kumantongomane, amaningi ayo atholakala kuma-nati ka-Brazil - u-1530 mcg nge-100 g. Kodwa njengoba usazi kakade ngomthamo we-selenium, asincomo ukuthi udle amantongomane aseBrazil ngamanani angaphezu kwama-20-30 g ngosuku. I-Selenium itholakala namantongomane aseGrisi, amantongomane, ukhukhunathi.
Lesi sici esilandelayo singabuye sithole kusuka kumaqanda inkukhu, isifuba sezinkukhu, ushizi. Uma ukhetha ukudla kwemifino, bheka selenium eminqumo kanye namafutha omnqumo, ibhamvu, imvubelo ye-brewer, igciwane lesikolweni, irayisi eluhlaza kanye nofulawa, ubhontshisi, amaqebelengwane, u-garlic kanye nosawoti.
Overdose
Kodwa ngaphambi kokuba sitshele ukuthi yimiphi imikhiqizo equkethe i-selenium, kufanele sitshele ukuthi i-selenium isesimweni esinobuthi, kodwa kuphela kumanani okwejwayelekile okwejwayelekile. I-Selenium evela emikhiqizweni yokudla ayikwazi ukuba ne-poisoned, ngoba umzimba wakho uzokumisa uma uya phezulu.
Kuvela kuphi ukulahleka?
Eminyakeni engama-50 edlule akekho owakhulume ngokubaluleka kwe-selenium emzimbeni wethu, noma ukuntuleka kwawo. Impendulo ilula: abantu bayaqaphela ukuthi kukhona okulahlekile uma kungasekho. Kuze kube yilapho nje inhlabathi yayigcwele selenium, futhi namuhla umhlabathi ovundile womhlaba usuphelile futhi kunesidingo sokwenza umquba we-selenium, ongaceli ukudla kwawo nhlobo.